+ ;; custom newline & reformat function
+ (defun b/message-newline-or-asterism (arg)
+ "Create newlines per my liking or insert asterism if ARG is
+non-nil."
+ (interactive "P")
+ (if arg
+ (b/insert-asterism)
+ (progn
+ (beginning-of-line)
+ (delete-region (point) (line-end-position))
+ (newline)
+ (open-line 1))))
+ (define-key message-mode-map
+ (kbd "M-RET") #'b/message-newline-or-asterism)
+